Cuprotungstite from
Mexico | |
| Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York. |
| Panczner (1987): 176. |
San Lorenzo Mine, Arizpe, Arizpe Municipality, Sonora, Mexico